Questions tagged [watchdog]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
5
votes
3answers
17k views

How do I cause a watchdog reset of my embedded Linux device

Is there a command like vi > out vi | out That I could use to cause a watchdog reset of my embedded linux device?
6
votes
1answer
13k views

How to correctly configure Debian watchdog daemon for BIOS Watch Dog?

Supermicro main boards contain a BIOS feature named "Watch Dog Function". Having Debian 6.0.6 with kernel "Linux debian 2.6.32-5-amd64 #1 SMP" we did: Change BIOS "Watch Dog Function" from Disabled ...
6
votes
1answer
9k views

What is a “watchdog reset”?

After reading this question, I was a little confused; it sounds like some daemon reacting by rebooting a system. Is that right? Is it a common occurrence in embedded *nixes?
2
votes
1answer
5k views

How enable watchdog?

I'm struggling with the watchdog timer (wdt) for a while. I can't get it working. My microcontroller is a AriaG25, based on the AT91SAM925. I have used this tutorial to compile the kernel. The ...
1
vote
0answers
587 views

supervisord as watchdog for various services

I tried to configure supervisord as watchdog for tomcat, redis and some other services. The goal is to automatic restart if the services are crashed or stopped. Here is my configuration for redis and ...
0
votes
0answers
343 views

Arch Linux freeze: “kernel: watchdog: BUG: soft lockup” and once more w/o logs - how to investigate

I just bought a new desktop PC and had a freeze a week ago. Looking into the kernel log reveals a soft lockup (from journalctl -xa): Mar 03 23:48:55 xxx kernel: watchdog: BUG: soft lockup - CPU#6 ...